package com.cn.wanxi.servlet;

import com.alibaba.fastjson.JSONObject;
import com.cn.wanxi.model.UserModel;
import com.cn.wanxi.service.IUserService;
import com.cn.wanxi.service.impl.UserServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/login")
public class LoginServlet extends HttpServlet {
    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        /**
         * 0：乱码
         * 1.得到前端的数据
         * 2.封装数据到对象
         * 3.调用服务逻辑层
         * 4.得到服务逻辑层返回来的数据
         * 5.将数据返回给前端
         */
        //1.得到前端的数据
        String username = req.getParameter("username");
        String password = req.getParameter("password");
        String code = req.getParameter("code");
        String sessionCode = (String) req.getSession().getAttribute("code");
//      pageContent,  request,session,application
        //2.封装数据到对象
        UserModel userModel = new UserModel();
        userModel.setUsername(username);
        userModel.setPassword(password);
        userModel.setCode(code);
        userModel.setSessionCode(sessionCode);

        //3.调用服务逻辑层
        IUserService iUserService = new UserServiceImpl();
        String result = iUserService.login(userModel);
        req.setAttribute("aa",11);
        req.setAttribute("aa",22);
//        System.out.println(req.getSession().getAttribute("username"));
        if (result.equals("success")) {
            req.getSession().setAttribute("username", username);
        }
        //        5.将数据返回给前端,必须以json的格式传递{key:value,key:value}
        JSONObject jsonObject = new JSONObject();
        jsonObject.put("result", result);
        resp.getWriter().println(jsonObject);
    }
}
